GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Optra
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Heater Coolant Heater Replacement
Removal Procedure
Caution:
Refer to
Battery Disconnect Caution
in the Preface section.
Disconnect the negative battery.
Remove the instrument panel and tie-bar. Refer to
Instrument Panel Assembly Replacement
.
Remove the heater/air distributor case assembly. Refer to
HVAC Module Assembly Replacement
.
Seperate the heater core housing from the heater/air distributor case assembly. Refer to
Heater Core Replacement
.
Disconnect the pre heater wiring harness connector.
Remove the pre heater mounting screws.
Remove the pre heater.
Installation Procedure
Install the pre heater with the screws.
Connect the pre heater wiring harness connector..
Install the heater core housing to the evaporator housing. Refer to
Heater Core Replacement
.
Install the heater/air distributor case assembly. Refer to
HVAC Module Assembly Replacement
.
Install the instrument panel and the tie-bar. Refer to
Instrument Panel Assembly Replacement
Connect the negative battery.